<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h2>添加用户</h2>
<form method="post" action="add2">
  Username:<input type="text" name="username" value="user1"/><br>
  Age:<input type="text" name="age" value="12"/><br>
  Birthday:<input type="text" name="birthday" value="1996-05-20"/><br>
  Phone1:<input type="text" name="phones" value="13567876788"/><br>
  Phone2:<input type="text" name="phones" value="18690987656"/><br>
  IdCard:<input type="text" name="card.cardNum" value="4409021678999909"/><br>
  Addr1:<input type="text" name="addresses[0].city" value="珠海"/><br>
        <input type="text" name="addresses[0].street" value="前山街道"/><br>
  Addr2:<input type="text" name="addresses[1].city" value="广州"/><br>
        <input type="text" name="addresses[1].street" value="白云路"/><br>
  <input type="submit" value="提交"/>
</form>
</body>
</html>